Waste heat can be directly converted into electrical energy by performing the Olsen cycle on pyroelectric materials. The Olsen cycle consists of two isothermal and two isoelectric field processes in the electric displacement versus electric field diagram. This paper reports on the electrical energy generated by lanthanum-doped lead zirconate titanate (8/65/35 PLZT) subjected to the Olsen cycle....

This pilot study compared the development of two groups of adolescents—those whose parents were blind and those whose parents were sighted. It found that there were no essential differences between the groups. Moreover, the friendship relationships, feelings toward parents, and some essential characteristics of the adolescents’ emotional state were more positive among the adolescents whose pare...

Digestate contains many essential nutrients for crops, including nitrogen (N) and phosphorus (P), it can alter the biogeochemical cycle of soil functionality. This work aimed to assess fertilizing effects digestate on chemical biological properties in a field experiment eastern Portugal with two horticultural crops involving nine treatments: control without fertilization; mineral N fertilizatio...

Secondary quasiperiodicity (period-doubled oscillations modulated by an incommensurate frequency), or ”Q2,” is the temporal manifestation of quasiperiodic motion on period-doubled tori. The existence of this regime in a chemical reaction was first predicted (T.V. Bronnikova, W.M. Schaffer and L.F. Olsen, J. Chem. Phys., 1996, 105, 10849) in the course of numerical explorations of a detailed mod...

One of the most severe mass extinctions of the Phanerozoic, the Triassic-Jurassic event is greater or equal in magnitude to that at the more famous K-T boundary (Benton, 1994) (Fig. 1). Such severity, at least for marine families is also supported by Foote’s (2003) statistical revaluations, although there remain dissenters (e.g. Hallam, 2002; Lucas et al., 2002). The cause of this mass-extincti...

The following is a reprint from Chapter 8 in Chemotherapy and Biotherapy Guidelines and Recommendations for Practice (Fourth Edition) by Martha Polovich, PhD, RN, AOCN®, MiKaela Olsen, MS, RN, AOCNS®, and Kristine B. LeFebvre, MSN, RN, AOCN® (Eds.).

En Ecuador se utiliza el método del análisis químico con Olsen-Modificado para determinar N, P, K, Ca, Mg, Mn, Fe, Zn y Cu en suelo como disponible. Pero no puede evaluar Na ni CIC la región salina y/o sódica. Es muy importante que evalúe nuevo las cuatro bases (K, Na, Ca Mg), saturación de suelo. Ecuador, tiene Costa Sierra tienen arcilloso Vertisol mineral tal montmorillonita e ilita, es nece...